Update release scripts to have modern setuptools

Author: webknjaz

Makefile

@@ -4,9 +4,8 @@ help:
 
 .PHONY: release-to-pypi
 release-to-pypi:
-	python -m setup release
-	twine upload dist/*
+	tox -erelease-to-pypi
 
 .PHONY: dist
 dist:
-	python -m setup dist
+	tox -edist

tox.ini

@@ -64,3 +64,22 @@ deps =
 commands =
     flake8 aiohttp_json_rpc tests examples \
         --exclude=env
+
+[testenv:dist]
+deps =
+    setuptools>=36.5.0
+
+usedevelop = True
+
+commands =
+    python -m setup dists
+
+[testenv:release-to-pypi]
+deps =
+    {[testenv:dist]deps}
+
+usedevelop = True
+
+commands =
+    python -m setup release
+    twine upload dist/*